HOME - Middleton Solar spacer spacer spacer
spacer

SUNSHINE DURATION SENSOR

The SD4 Sunshine Sensor indicates the time the disk of the sun is not obscured by clouds.
spacer
pdf icon Datasheet spacer pdf iconManualspacerAsk icon Ask spacer tick icon Distributors spacer tick icon Price List


price:   AUD1875

spacer
Print icon Print this page
spacer

PRODUCTS -> SD4 SUNSHINE SENSOR
spacer

spacer
ABOUT US
spacer
PRODUCTS
spacer
DISTRIBUTORS
spacer
REFERENCES
spacer
SERVICE AND SUPPORT
spacer
CONTACT US

 spacer


SUNSHINE DURATION SENSOR

Four identical omni-directional sensors under a hemispherical shading canopy.

Embedded microcontroller executes a sophisticated contrast-evaluation algorithm to accurately discriminate direct sunshine from diffuse sunlight.

 SD4

Performance Specification

WMO recommended

SD4

sunshine duration uncertainity

± 0.1 hour

< ± 0.1 hour

sunshine duration resolution

0.1 hour

0.02hr (0.01hr option)

sunshine threshold (direct solar irradiance)

120 W.m-2 ± 20%

120 W.m-2 ± 15%

unobstructed view of sun above horizon

> 3°

> 3°

 

EASY TO USE, RELIABLE, ACCURATE, FULLY ELECTRONIC

Excellent performance even in difficult bright-cloud conditions.

Fully sealed, with a glass dome to protect the sensors.

Simple high/low output is used to indicate sunshine/no sunshine.

Operates at any latitude & longitude, and does not require alignment.

Marine-grade aluminium, hard anodised, for corrosion resistance.

Compact size and light weight.

The SD4 replaces the Middleton Solar  RS-4 and RS-6 Sunshine Duration Sensors.

 spacer